Granted Patent
Utility
US 6,733,248 · App. 10/244,712
Fluid pumping apparatus
Inventor:
William Harry Lynn
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Sep 16, 2002
Inventor
William Harry Lynn
Assignee (at issue)
THOMAS INDUSTRIES, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.